you push a block of 50kg with a force of 400 N over a distance of 8m. How much kinetic energy does the box gain?

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

What is the length x of the side of the triangle below? (hint: use the cosine function)

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential